Most people think they communicate primarily with words, but this Special will reveal the surprising ways people really do get their points across because only 7% of understanding comes from words. The bulk of communication -- 93% -- is through gestures. Delve into the science of non-verbal signals as this very visual - and highly entertaining - exposé reveals the hidden language in which 93% of human communication takes place. From President Franklin D. Roosevelt, to British Prime Minister Winston Churchill and 2008 President-elect Barack Obama and Senator John McCain, see how both politicians and celebrities used the subtle movements of body language to persuade masses, establish power, and advance careers.